The film follows Lya, a woman seeking refuge from Cossack soldiers, who finds herself at the palace of Prince Nicholas. She becomes his majordomo and they fall in love, but their relationship is disrupted when Nicholas learns of her past with a Bolshevik leader. Lya is expelled, becomes a terrorist, and later encounters Nicholas again, now disguised as a servant. When Nicholas is sentenced to death, she rescues him and they escape together.

If there was one thing that Don Juan de Marana learned from his father Don Jose, it was that women gave you three things - life, disillusionment and death. In his father's case it was his wife, Donna Isobel, and Donna Elvira who supplied the latter. Don Juan settled in Rome after attending the University of Pisa. Rome was run by the tyrannical Borgia family consisting of Caesar, Lucrezia and the Count Donati. Juan has his way with and was pursued by many women, but it is the one that he could not have that haunts him. It will be for her that he suffers the wrath of Borgia for ignoring Lucrezia and then killing Count Donati in a duel. For Adriana, they will both be condemned to death in the prison on the river Tigre.

In a spooky hotel on the coast of France, two bands of crooks are working independently of the other in an attempt to steal the inherited fortune of an American girl, Sue Tally. Along the way the heiress is kidnapped, three murders are committed, a girl appears in two places at once, mysterious persons roam about the old hotel at night and mysteriously disappear, and there is a hidden room without any doors.

A very nervous man named Cartwright comes into Perry's office to have the neighbor arrested for his howling dog. He states that the howling is a sign that there is a death in the neighborhood. He also wants a will written giving his estate to the lady living at the neighbors house. It is all very mysterious and by the next day, his will is changed and Cartwright is missing, as is the lady of the house next door. Perry has a will and a retainer and must find out whether he has a client or a beneficiary.